Supattra Aomumpai and Chutima Prommak, On the Impact of Reference Node Placement in Wireless Indoor Positioning Systems. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2011, vol. 60(12). 1704 - 1708 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/9036.